Dude is a surfer for sure.
A cloud surfer in this case.
The sign you're probably thinking of is the baal devil sign? That isn't the same. The sign of the horns has the thumb touch the middle finger, with the palm facing away from the body. See George Bush for examples.
https:// en.wikipedia.org/wiki/Sign_of_the_horns
General advice - ask these sorts of questions in a tools/meme thread. The baker is putting dough in the oven every hour at least, so on topic posts related to Qresearch lessen the burden.
Specific answer to your question - There are free image apps and websites. Search for "meme generator". You'l find sites like imgflip.com
If you want to make them on your machine free image editors - Gimp, MyPaint, Inkscape. Online editor https:// www.photopea.com/ among others.
If you are using MS Word, it sounds like you'd be better off using an online meme generator.
Inclusion of "Drain" is a call to action, otherwise you're just calling her 'hateful' names.
Plus it ties strongly with POTUS campaign message "Drain the Swamp" = Bye Maxine